An electronic device according to the present disclosure may include: a housing including a substantially transparent plate that includes a first surface facing in a first direction, and a second surface facing in a second direction; a display exposed in the first direction; and a camera device exposed in the first direction. The camera device may include: a barrel structure including a side wall defining a space therein and an opening facing the first direction and a camera housing structure including a side portion surrounding at least a portion of the side wall of the barrel structure and an upper portion facing the first direction. The camera housing structure may include a first protrusion formed on the upper portion. The present disclosure implements a waterproof/dustproof structure for capping at least a portion of the camera device.